<template>
  <div class="add-employee" @click="isShowTree = false">
    <el-dialog title="新增员工" :visible="showDialog" top="10vh" @close="closeDialog">
      <!-- 表单 -->
      <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="姓名" prop="username">
          <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
        </el-form-item>
        <el-form-item label="入职时间" prop="timeOfEntry">
          <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
        </el-form-item>
        <el-form-item label="聘用形式" prop="formOfEmployment">
          <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
            <el-option v-for="item in employeesEnu.hireType" :key="item.id" :label="item.value" :value="item.id" />
          </el-select>
        </el-form-item>
        <el-form-item label="工号" prop="workNumber">
          <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
        </el-form-item>
        <el-form-item label="部门" prop="departmentName" @click.native.stop>
          <!-- 使用blur实现点击部门隐藏树形控件-->
          <el-input
            v-model="formData.departmentName"
            style="width:50%"
            placeholder="请选择部门"
            @click.native="getDeptsList"
            @blur="closeTree"
          />
          <!-- 使用事件冒泡实现点击部门列表之外的隐藏树形控件
            input组件是受控组件,react中会讲解受控组件
           -->
          <!-- <el-input
            :value="formData.departmentName"
            style="width:50%"
            placeholder="请选择部门"
            @click.native="getDeptsList"
          /> -->
          <!-- 树形控件 -->
          <div
            v-if="isShowTree"
            v-loading="loading"
            class="treeBox"
          >
            <el-tree
              :data="treeData"
              :props="defaultProps"
              @node-click="handlerNodeClick"
            />
          </div>
        </el-form-item>
        <el-form-item label="转正时间" prop="correctionTime">
          <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
        </el-form-item>
      </el-form>
      <!-- footer插槽 -->
      <template v-slot:footer>
        <el-button @click="closeDialog">取消</el-button>
        <el-button type="primary" @click="addEmployee">确定</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { reqGetDepartments } from '@/api/departments'
import { transformDepartments } from '@/utils/index'
import { reqAddEmployee } from '@/api/employees'
import employeesEnu from '@/api/constant/employees'
export default {
  name: 'AddEmployee',
  props: {
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      // 新增员工关联的表单数据
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      // 添加员工的表单的校验规则
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      treeData: [], // 树形控件的数据源
      // 修改树形控件默认配置项
      defaultProps: {
        label: 'name' // 展示的字段
      },
      isShowTree: false, // 控制树形控件的显示与隐藏的布尔值
      loading: false, // 控制树形控件的加载状态
      employeesEnu // 存储导入的数据
    }
  },
  methods: {
    // 关闭对话框组件
    closeDialog() {
      // 重置校验规则和表单数据
      this.$refs.addForm.resetFields()
      this.formData = {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      }
      this.$emit('update:showDialog', false)
    },
    // 获取部门列表
    async getDeptsList() {
      this.isShowTree = !this.isShowTree
      console.log(this.isShowTree)
      this.loading = true
      const { data } = await reqGetDepartments()
      const arr = transformDepartments(data.depts, '') // 处理数据为树形控件数据格式
      this.treeData = arr
      this.loading = false
    },
    // 树形控件节点点击触发的方法
    handlerNodeClick(nodeData) {
      // 如果有叶子节点, 只能选中叶子节点, 如果没有叶子节点,只能选中自己了
      if (!nodeData.children) {
        // console.log(nodeData)
        this.formData.departmentName = nodeData.name
        // 隐藏树形控件
        this.isShowTree = false
      }
    },
    // blur事件处理点击输入框之外隐藏树形控件
    closeTree() {
      setTimeout(() => {
        this.isShowTree = false
      }, 200)
    },
    addEmployee() {
      // 1.表单预校验
      this.$refs.addForm.validate(async valid => {
        if (!valid) return
        // 2. 发送请求
        const { message } = await reqAddEmployee(this.formData)
        // 3. 提示用户
        this.$message.success(message)
        // 4. 关闭对话框
        this.closeDialog()
        // 5.重新渲染列表 $refs   $parent 指当前组件的父组件 || 子父组件传递事件
        this.$parent.getEmployeeList() // 子组件直接找到父组件调用父组件的方法
      })
    }

  }
}
</script>

<style lang="scss" scoped>
.treeBox {
  position: absolute;
  left: 0;
  top: 46px;
  z-index: 999;
  width: 50%;
  border: 1px solid #ccc;
  border-radius: 5px;
  overflow: hidden;
}
</style>
